Nirmala
Active Member
Here is an interesting approach, keeping it small, light, and cheap with very limited range...but it might work well for some users with short commutes or the like, and you could always buy an extra battery or two:
http://www.semcon.com/en/Stories/Case-stories/Case-studies-All/Smart-engine-turns-any-bike-electric/
It is still just a prototype, but it seems like a viable concept.
http://www.semcon.com/en/Stories/Case-stories/Case-studies-All/Smart-engine-turns-any-bike-electric/
It is still just a prototype, but it seems like a viable concept.